A researcher records the number of buckets of popcorn purchased by patrons during one night at the movies.She finds that the probability that a patron purchased 0 buckets of popcorn is p = .27;1 bucket is p = .51;2 buckets is p = .17;and 3 buckets is p = .05.How many buckets of popcorn can we expect a patron to purchase per night at the movies in the long run?
A)exactly 1 bucket of popcorn per night
B)more than 1 bucket of popcorn per night
C)less than one bucket of popcorn per night
D)none of the above

Question

Quizplus · Accepted Answer

The expected number of buckets of popcorn purchased per night is:(0 x 0.27) + (1 x 0.51) + (2 x 0.17) + (3 x 0.05) = 1.02Therefore, we can expect a patron to purchase slightly more than 1 bucket of popcorn per night at the movies in the long run.

A Researcher Records the Number of Buckets of Popcorn Purchased